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Diamondbacks: 3B Wilson Betemit
It has been no secret that the Diamondbacks are in need of an upgrade at third base, as last year's breakout fan favorite Ryan Roberts (.240 BA, 6 HR, 32 RBI) has not flashed the power that offset his batting average last season.
Betemit (.261 BA, 10 HR, 31 RBI) is having a very nice season with the Orioles, and has the versatility to play not just third base but across the infield.
With the call-up of Trevor Bauer and the return of Josh Collmenter to the rotation, the Diamondbacks have six starting pitching candidates once Saunders returns from a strained shoulder. Odds are he could be the odd man out.
Orioles: SP Joe Saunders
Outside of Jason Hammel and Wei-Yin Chen, the Orioles have struggled to find consistency in their starting rotation this season. They won't mortgage their future, but they will certainly be looking for a bargain pickup to fill out their rotation at the deadline.
Saunders (13 GS, 4-5, 3.44 ERA) has been solid this season, and would give the young Orioles staff a veteran with a solid track record.
Losing Betemit's bat would not be a huge blow, as the team could shift Mark Reynolds to third base and move Chris Davis from right field to first base once Nick Markakis returns from injury. It's a defensive downgrade, but would still make for a serviceable lineup.